The server is currently

Server Status
  • News
  • 4/24/10 - Connection update
  • 5/02/10 - Large game update
  • 5/09/10 - Small game patch
  • 5/16/10 - Super Mario Bros. Online Beta version released!
  • 6/03/10 - Large game patch
  • 6/13/10 - Very small game update

About Super Mario Bros. Online

Super Mario Bros. Online is a 100% free, fan-made, 2D online multiplayer Mario RPG. Play as 6 familiar characters: Mario, Luigi, Wario, Waluigi, Yoshi, and Toad. You can use items and equipment, meet new people, hang out with friends, and much more! Submit your ideas to the forums! Try Super Mario Bros. Online today! Click here to join in on the fun!

Unfortunately, Super Mario Bros. Online works only for the Windows platform. If you are using another operating system, you cannot play Super Mario Bros. Online. We're sorry for this inconvenience, but the engine we use only works on computers running Windows.